unit9--sectiona导学案

《unit9--sectiona导学案》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、九年级英语学案导学助你成功主备：胡军民单元程序导学案Unit9Whenwasitinvented?Period1SectionA1a-2c一．学习目标Ⅰ.TeachingAimsandDemands：掌握一般现在时和一般过去时的被动语态结构并熟练运用Ⅱ.TeachingKeyPoints:（1）----Whenwas…invented?orWhenwere…invented?----Itwasinventedin…orTheywereinventedin…（2）----Whoweretheyinventedby?----Theywereinventedby…（3）----Whatis/arei

2、t/theyusedfor…?----It’s/Theyareusedfor…Ⅲ.TeachingDifficultPoints:beusedfor,beusedin,beusedby,beusedto,beusedas用法区别。掌握beinventedin,beinventedbyTeachingProcedures二．自学交流领悟基础知识我能行Task1.:（试一试）A学生对照音标自己拼读单词，找出不会的词。（帮一帮）B师徒结对，小组讨论读会生词。（听一听）C听录音，跟读单词。读会所有生词。（议一议）D小组讨论单词的主要意义和用法，老师强调。（记一记）E挑战记忆力，看谁记得又多又快！按要求

3、写出下列单词或短语。发明，创造（v）__________发明，创造（n）__________发明家，创造者（n）_________计算器__________勺子（n）用勺舀(v)_________可调整的____________后跟____________电池___________操作，作业；给…动手术____________电池供电的___________拖鞋____________加热，使…变热_____________用来做…____________Task2:Warm-up1.Acontest:Guesswhoishe(she)? Teachertellsastoryofaperson

4、andasksstudentstoguesswhohe/sheis.HewasfromAmerica.Hewasoneofthegreatestinventorsintheworld.HewascleverbuthewasinSchoolforonly3months.Hismothertaughthimtoreadandwrite.Hebuilthisownchemicallabwhenhewasaboy.Heinventedthelightbulb.Hehasmanyinventionsinhislifeandsomeinventionshavechangedtheworld.2.Talki

5、ngabout:ThefourgreatestinventionsinChina.TeachershowsomepicturesofthefourgreatestinventionsinChinaandtalkaboutthemwithstudents.Task3:Finish1a.Askstudentsnumbertheinventionsaccordingtheordertheywereinvented.九年级英语学案导学助你成功主备：胡军民Task4:Listeningpractice Finish1b.Listenandmatchtheinventionswiththedates.Pa

6、irwork1c.Talkabouttheinventionsin1blikethis:A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Task5:Finish2a1.Guessthemeaningsofthephrases:1)coldicecream___________2)shoeswithadjustableheels_______________3)batteryoperatedslippers_________________4)heatedicecreamscoop_____________2.Listenand

7、numbertheinventionsintheorder.Task6:Listenandmatchtheinventionswiththeirinventoranduses.2c:pairwork: Roleplayconversationsusingtheinformationin2b.三．探究归纳掌握基本技能我最捧1.operate(1)动词，意思是“操作；作业”Eg.Doyouknowho